Home / 7,131,006.40-10,696,509.60-6,782,641.60

Finding the Fourth Proportional to 7,131,006.40, 10,696,509.60 and 6,782,641.60

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Solution

The fourth proportional to 7,131,006.40, 10,696,509.60 and 6,782,641.60 is: 10,173,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,006.40 : 10,696,509.60 = 6,782,641.60 : x
  2. Step 2: Convert to fraction form
    7,131,006.40/10,696,509.60 = 6,782,641.60/x
  3. Step 3: Cross multiply
    7,131,006.40x = 10,696,509.60 × 6,782,641.60
  4. Step 4: Simplify right side
    7,131,006.40x = 72,550,590,987,759.36
  5. Step 5: Solve for x
    x = 72,550,590,987,759.36/7,131,006.40
  6. Step 6: Final answer
    x = 10,173,962.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.